三价杂质的英文

• trivalent impurity

• 三价:    tervalence; trivalence; triv ...
• 杂质:    impurity; foreign substance; ...
• 等价杂质:    isovalent impurities
• 三价:    [化学] tervalence; trivalence; trivalency
• 杂质:    [固体物理] impurity; foreign substance; impurity substance; inclusion; foreign matter